private TemplateResult getDataSourceBuilder(
DataAccess access, DataTemplate template, Map<String, String> param) throws BaseException {
String id = param.get(Helper.Keys.SourceId);
DataSourceBuilder builder = access.getDataSourceBuilder(id);
if (builder.getConfiguration(Helper.Keys.DataBuilderId) == null) {
builder.setConfiguration(
new ConfigurationItem(
Helper.Keys.DataBuilderId,
ConfigurationItem.ConfigurationItemType.String,
builder.getKey(),
ConfigurationItem.ConfigurationItemRequirementType.Hidden));
}
return template.transform(builder);
}
private DataSource connectDataSource(Map<String, String> content) throws BaseException {
String typeKey = content.get(Helper.Keys.DataBuilderId);
String dataSourceId = content.get(Helper.Keys.SourceId);
if (typeKey == null)
throw new MissingArgumentException(
String.format("Argument %s is missing.", Helper.Keys.DataBuilderId));
if (dataSourceId == null)
throw new MissingArgumentException(
String.format("Argument %s is missing.", Helper.Keys.SourceId));
DataSourceBuilder connection = dataSourceBuilderListener.getInstance(typeKey);
DataSource source = connection.createInstance(dataSourceId, content);
source.setState(DataInformation.DataState.CONNECTING);
Thread thread =
new Thread() {
public void run() {
try {
source.connect();
source.setState(DataInformation.DataState.READY);
threads.remove(source.getId());
} catch (BaseException e) {
e.printStackTrace();
threads.remove(source.getId());
dataSources.remove(source.getId());
}
}
};
threads.put(dataSourceId, thread);
thread.start();
return source;
}